(19)
(11) EP 1 547 041 A2

(12)

(88) Date of publication A3:
12.08.2004

(43) Date of publication:
29.06.2005 Bulletin 2005/26

(21) Application number: 03774522.1

(22) Date of filing: 02.10.2003
(51) International Patent Classification (IPC)7: G08B 17/10
(86) International application number:
PCT/US2003/031128
(87) International publication number:
WO 2004/032078 (15.04.2004 Gazette 2004/16)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30) Priority: 02.10.2002 US 415127 P

(71) Applicant: Combustion Science & Engineering, Inc.
Columbia, MD 21045-1997 (US)

(72) Inventors:
  • ROBY, Richard, J.
    Columbia, MD 21045 (US)
  • KLASSEN, Michael, S.
    Columbia, MD 21045 (US)
  • SCHEMEL, Christopher, F.
    Laurel, MD 20707 (US)
  • VASHISHAT, Diwakar
    Germantown, MD 20876 (US)
  • HOLTON, Maclain, M.
    Columbia, MD 21044 (US)
  • FLINT, Kelly, R.
    Greenbelt, MD 20770 (US)

(74) Representative: W.P. Thompson & Co. 
Coopers BuildingChurch Street
Liverpool L1 3AB
Liverpool L1 3AB (GB)

   


(54) METHOD AND APPARATUS FOR INDICATING ACTIVATION OF A SMOKE DETECTOR ALARM